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API Monogram & APIQR Program Documents

Below is the full list of API specifications and standards for which Licenses are available, with downloadable Licensing Information Forms. These forms provide the specific products that can be licensed and will help your organization determine the best scope for your API Monogram License.

This product information can be added or changed in your online applications – both New and Renewals. Submit a Licensing Information Form only when requesting a change to the scope of your current license between Renewal applications. Send completed forms using the API Monogram/APIQR Contact Form.

The API Monogram mark on products is a warranty by API Monogram licensees to API and purchasers that the marked products comply in every aspect with the applicable API Specification/Standard in effect at the time of manufacture.

Monogram Licenses & Licensing Information Forms

API 2B - Fabrication of Structural Steel Pipe

API 2C - Offshore Pedestal-Mounted Cranes

API 2F - Mooring Chain

API 2H - Carbon Manganese Steel Plate for Offshore Structures

API 2W - Steel Plates for Offshore Structures, Produced by Thermo-Mechanical Control Processing (TMCP)

API 2Y - Steel Plates, Quenched-and-Tempered, for Offshore Structures

API 4F - Drilling and Well Servicing Structures

API 5B - Threading, Gauging, and Thread Inspection of Casing, Tubing and Line Pipe Threads

API 5CRA - Corrosion Resistant Alloy Seamless Tubes for Use as Casing, Tubing and Coupling Stock

API 5CT - Casing and Tubing

API 5DP - Drill Pipe

API 5L - Line Pipe

API 5LC - CRA Line Pipe

API 5LCP - Coiled Line Pipe

API 5LD - CRA Clad or Lined Steel Pipe

API 5ST - Coiled Tubing

API 6A - Wellhead and Tree Equipment

API 6D - Specification for Valves

API 6DSS - Subsea Pipeline Valves

API 7-1 - Rotary Drill Stem Elements

API 7-2 - Threading and Gauging of Rotary Shouldered Connections

API 7F - Oil Field Chain and Sprockets

API 7K - Drilling and Well Servicing Equipment

API 8C - Drilling and Production Hoisting Equipment (PSL 1 and PSL 2)

API 9A - Wire Rope

API 10A - Cements and Materials for Well Cementing

API 11AX - Subsurface Sucker Rod Pump Assemblies, Components, and Fittings

API 11B - Sucker Rods, Polished Rods and Liners, Couplings, Sinker Bars, Polished Rod Clamps, Stuffing Boxes, and Pumping Tees

API 11D1 - Packers and Bridge Plugs

API 11E - Pumping Units

API 12B - Bolted Tanks for Storage of Production Liquids

API 12D - Field Welded Tanks for Storage of Production Liquids

API 12F - Shop Welded Tanks for Storage and Production Liquids

API 12J - Oil and Gas Separators

API 12P - Fiberglass Reinforced Plastic Tanks

API 13A - Drilling-Fluid Materials

API 14A - Subsurface Safety Valve Equipment

API 14L - Lock Mandrels and Landing Nipples

API 15HR - High Pressure Fiberglass Line Pipe

API 15LE - Polyethylene Line Pipe (PE)

API 15LR - Low Pressure Fiberglass Line Pipe

API 15S - Spoolable Reinforced Plastic Line Pipe

API 16A - Drill-Through Equipment

API 16C - Choke and Kill Equipment

API 16D - Control Systems for Drilling Well Control Equipment and Control Systems for Diverter Equipment

API 16F - Marine Drilling Riser Equipment

API 16RCD - Rotating Control Devices

API 17D - Design and Operation of Subsea Production Systems—Subsea Wellhead and Tree Equipment

API 17J - Unbonded Flexible Pipe

API 17K - Bonded Flexible Pipe

API 17L1 - Ancillary Equipment for Flexible Pipes and Subsea Umbilicals

API 19AC - Completion Accessories

API 19G1 - Side-Pocket Mandrels

API 19G2 - Flow-Control Devices for Side-Pocket Mandrels

API 19G3 - Running Tools, Pulling Tools and Kick-Over Tools and Latches for Side-Pocket Mandrels

API 19V - Subsurface Barrier Valves and Related Equipment

API 20A - Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings for Use in the Petroleum and Natural Gas Industry

API 20B - Open Die Shaped Forgings for Use in the Petroleum and Natural Gas Industry

API 20C - Closed Die Forgings for Use in the Petroleum and Natural Gas Industry

API 20E - Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries

API 20F - Corrosion Resistant Bolting for Use in the Petroleum and Natural Gas Industries

API 547 - General-Purpose Form-Wound Squirrel Cage Induction Motors-250 Horsepower and Larger

API 594 - Check Valves: Flanged, Lug, Wafer, and Butt-Welding

API 600 - Steel Gate Valves-Flanged and Butt-Welding Ends, Bolted Bonnets

API 602 - Gate, Globe, and Check Valves for Sizes DN 100 (NPS 4) and Smaller for the Petroleum and Natural Gas Industries

API 603 - Corrosion-Resistant, Bolted Bonnet Gate Valves—Flanged and Butt-Welding Ends

API 608 - Metal Ball Valves-Flanged, Threaded, and Welding Ends

API 609 - Butterfly Valves: Double-Flanged, Lug- and Wafer-Type

API 650 - Welded Tanks for Oil Storage

Advisory #1: API Procedures Concerning Communications with Third Parties, June 2, 2022 | Mandarin (中文)

Advisory #3: Recognition and Authority of Management Representative, December 15, 2020 | Mandarin (中文) | Spanish | Portuguese

Advisory #6: Design and Development Exclusion under the API Monogram Program August 1, 2023

Advisory #7: Code of Conduct for API Monogram Licensees, APIQR Certified Organizations and Program Applicants, April 13, 2016 | Mandarin (中文) |Spanish | Portuguese

Advisory #9: Recognition and Authority of Published Standards, April 4, 2023

Advisory #10: Invoicing and Payment Terms for API Invoices, June 16, 2023 Mandarin (中文) | Spanish | Portuguese

Advisory #11 API Monogram Manufacturing Requirements, Manufacturing Capabilities, and updated Licensing Agreement, June 2, 2022

Advisory #13: Supplementary Requirements for Design and Manufacture of a Product for Organizations Applying for a New Monogram License or for the Addition of Products on an Existing Monogram License May 2, 2022

Monogram Licensing Information Forms used when requesting a change to the scope of your Monogram License

API Monogram Licensing Program Requirements includes usage of the Monogram Mark

APIQR Registration Program Requirements includes usage of the APIQR Marks

Excel Icon API Spec Q1 9th Edition Conformity Matrix

Excel Icon API Spec Q1 10th Edition Conformity Matrix

Excel Icon API Spec Q2 Conformity Matrix

Audit Response Instructions - Reference document for responding to audit nonconformities

API Guidance on the Monogram and APIQR Marks

API Monogram Program Alternative Marking of Products License Agreement - (AMA)

Monogram/APIQR Impartiality Policy

API Composite List - Find companies and products that have API Monogram Licenses and API Certifications of Registration

API myCerts - Create an account and apply for certification; Track current certifications and audits

FM-198 Q1 ISO 9001 Audit Report Form Revision 8*

FM-198 Q2 ISO 9001 Audit Report Form Revision 8*


WI-2016 Guidance on Auditing Welding Process - Guidance document for auditing welding processes

API Specification Q1 10th Edition Annex A

Audit Costs

Applicants and program participants are responsible for all audit costs. First-time applicants, currently certified organizations applying for registration or licensing at new locations, and organizations returning to the program must pay their audit costs before their initial or Stage 1 audit is scheduled. Organizations currently licensed or registered by the program are invoiced after audit completion for the actual cost of their audits and a program service fee. API issues the invoice to the organization after the auditor provides API with all auditor-incurred expenses associated with the audit. These invoices are carefully reviewed, and the process can take up to 90 days after the audit has ended.

Organizations should note that audit costs vary for a variety of reasons: for example, audit length, organization location and size, auditor travel requirements, and the need for translators often contribute to increased audit costs. The program works diligently to limit these costs by assigning local auditors, but at times auditors must travel to meet audit needs

API Payment Information

Payment terms of note are provided below. Others are included in the Monogram and APIQR program requirements documents.

  2. All fees payable to API shall be in U.S. Dollars.
  3. The applicant or participating organization shall be liable for any and all taxes and banking and service fees, including all applicable withholding taxes.
  4. API's invoice number should be included with the payment to ensure proper traceability.
  5. Payment instructions provided on the API invoice shall be followed.
  6. Send correspondence about your payment to:

    Additional Questions? Please fill out the API Monogram and APIQR Contact Form.

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